Ozoplaning with the Wizard of Oz, by Ruth Plumly Thompson - Stranger than SF

Fantasy Book Review I've been waiting for ages to read this Oz book. Ozoplanes? Sign me up! My main question is whether the "Oz" in Ozoplane should be pronounced as in "ozone" or like "Oz." Probably Oz. Basic plot: the Wizard designs and builds two ozoplanes--the Ozpril and the Oztober--with which to explore the skies. As he's giving a tour, the Tin Woodman, Jellia Jamb, and the Soldier with the…